| Year | Count |
|---|---|
| 1991 | 29 |
| 1992 | 42 |
| 1993 | 55 |
| 1994 | 98 |
| 1995 | 94 |
| 1996 | 71 |
| 1997 | 74 |
| 1998 | 67 |
| 1999 | 109 |
| 2000 | 48 |
| 2001 | 28 |
| 2002 | 23 |
| 2003 | 10 |
| 2003 | 33 |
| 2004 | 154 |
| 2005 | 88 |
| 2006 | 10 |
| 2006 | 96 |
| 2007 | 69 |
| 2008 | 91 |
| 2009 | 51 |
| 2010 | 10 |
| 2010 | 39 |
| 2011 | 10 |
| 2013 | 17 |
| 2014 | 5 |
| 2015 | 5 |
| 2016 | 5 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 21 |
| 2021 | 10 |
| 2021 | 17 |
| 2022 | 29 |
| 2023 | 8 |
| 2023 | 54 |
| 2024 | 5 |
| 2024 | 33 |